Pinion ratio
[化] 传动齿轮比
🧩 词语组成解析
pinion
['pinjən]
vt. 抓住[捆住]（双臂）;
n. <术>小齿轮;
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
Besides, we are not going to be here Saturday.
另外， 我们星期六将不在这儿了。
We'll exchange presents.
我们要交换礼物。
but ever since he moved in, he has had trouble with cars and their owners.
但自从搬进去后，就和汽车及车主们发生了磨擦。